Location History:
- Tokyo, JA (1976 - 1977)
- Tokyo, JP (1980 - 1981)
- Yokohama, JP (1980 - 1982)
Company Filing History:
Years Active: 1976-1982
Title: Mitunari Yoshida: Innovator in Electric Discharge Technology
Introduction
Mitunari Yoshida is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of electric discharge technology, holding a total of 9 patents. His innovative work has paved the way for advancements in lighting solutions.
Latest Patents
Yoshida's latest patents include a groundbreaking electric discharge lamp. This invention details a method for making a fluorescent lamp from a pair of molded, flat glass shells. Substantially semi-circular recesses are formed on each shell on bonding surfaces opposite the semi-circular recess formed on the other glass shell. When the shells are bonded together, a circular orifice is created on the lamp. An exhaust tube is provided, and a stem is affixed to an end of the exhaust tube, with an electrode filament and a getter plate secured to the stem. The shells are bonded together using a glass adhesive, and simultaneously, the exhaust tube is sealed into the orifice, ensuring that the getter plate and the electrode filament are disposed within the space between the bonded shells. The gases within this space are exhausted, and mercury along with an inert gas is injected before sealing the exhaust tubes.
Career Highlights
Yoshida has had a distinguished career at Stanley Electric Co., Ltd., where he has been instrumental in developing innovative lighting technologies. His expertise in electric discharge lamps has contributed to the company's reputation as a leader in the industry.
Collaborations
Throughout his career, Yoshida has collaborated with notable colleagues, including Kazuo Ariga and Norimasa Oinuma. These partnerships have fostered a creative environment that has led to numerous advancements in their field.
Conclusion
Mitunari Yoshida's contributions to electric discharge technology and his innovative patents have significantly impacted the lighting industry. His work continues to inspire future advancements in this essential field.